#4151CE#4151CE

#4151CE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.9% C 0.192 H 271.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4151CE
RGB	rgb(65, 81, 206)
HSL	hsl(233, 59%, 53%)
HSV	hsv(233, 68%, 81%)
CMYK	cmyk(68.4%, 60.7%, 0%, 19.2%)
CIE-LAB	lab(40.35, 34.67, -66.57)
CIE-LCH	lch(40.35, 75.06, 297.51°)
OKLab	oklab(49.95% 0.0063 -0.192)
OKLCH	oklch(49.95% 0.192 271.9)
XYZ	xyz(16.2592, 11.4634, 59.7363)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151CE #CEBE41

analogous

#4198CE #4151CE #7741CE

triadic

#4151CE #CE4151 #51CE41

tetradic

#4151CE #CE4198 #CEBE41 #41CE77

square

#4151CE #CE4198 #CEBE41 #41CE77

split-complementary

#4151CE #CE7741 #98CE41

monochromatic

#1E2876 #2B39A7 #4151CE #727EDB #A2AAE7

Accessibility & contrast

On white

6.38

#4151CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4151CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151CE

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151CE	#FFFFFF	#000000	##FFFFFF
##4151CE	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D2

Deuteranopia (green-blind)

#0059CC

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4151ce;
/* rgb */ color: rgb(65, 81, 206);
/* oklch */ color: oklch(49.9% 0.192 271.9);

Tailwind

colors: {
  custom: {
    50: '#8781de',
    500: '#4151ce',
    950: '#000000',
  },
}

SCSS

$custom: #4151ce;
$custom-light: #8781de;
$custom-dark: #000000;

JSON

{
  "hex": "#4151ce",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 206
  },
  "hsl": {
    "h": 233.191,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49948,
    "c": 0.19211,
    "h": 271.9
  },
  "luminance": 0.11465
}

Semantic roles & 50–950 ramp

primary

#4151CE

secondary

#D4CD97

accent

#D046E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4151CE

Body copy rendered with the generated semantic roles for this colour.

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